Four-gluon vertex in collinear kinematics A. C. Aguilar, M. N. Ferreira, J. Papavassiliou and L. R. Santos Eur. Phys. J. C, 84 7 (2024) 676 Published online: 08 July 2024 DOI: 10.1140/epjc/s10052-024-12970-9